CN113856006B - Neurosurgery catheter device - Google Patents

Neurosurgery catheter device Download PDF

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Publication number
CN113856006B
CN113856006B CN202111302737.5A CN202111302737A CN113856006B CN 113856006 B CN113856006 B CN 113856006B CN 202111302737 A CN202111302737 A CN 202111302737A CN 113856006 B CN113856006 B CN 113856006B
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CN
China
Prior art keywords
pipe
inflatable
ball
air
conveying pipeline
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Active
Application number
CN202111302737.5A
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Chinese (zh)
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CN113856006A (en
Inventor
张树葆
林凯
印素娜
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Individual
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Individual
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Priority to CN202111302737.5A priority Critical patent/CN113856006B/en
Publication of CN113856006A publication Critical patent/CN113856006A/en
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A61M25/1018—Balloon inflating or inflation-control devices
    • A61M25/10181—Means for forcing inflation fluid into the balloon
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M25/0026—Multi-lumen catheters with stationary elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0043—Catheters; Hollow probes characterised by structural features
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • A61M25/007—Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M29/00—Dilators with or without means for introducing media, e.g. remedies
    • A61M29/02—Dilators made of swellable material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The invention relates to the technical field of conveying pipes, in particular to a neurosurgery pipe device which comprises a conveying pipe, wherein an inflatable supporting ball is fixedly arranged on a pipe body at the tail part of the conveying pipe, an inflatable device is arranged at the head part of the conveying pipe, a pushing device is further arranged on a pipe body at the tail end of the head part of the conveying pipe, a ventilation cavity arranged along the length direction of the conveying pipe is arranged inside the pipe wall of the conveying pipe, an inflatable cavity is arranged between the inflatable supporting ball and the conveying pipe, an air outlet hole communicated with the inflatable cavity is formed in the cavity wall of the ventilation cavity, the inflatable device comprises a hose arranged on the pipe body at the head part of the conveying pipe, the pushing device comprises a transparent pipe fixedly arranged on the pipe body at the head part of the conveying pipe, and a lubrication cavity arranged along the length direction of the conveying pipe is further arranged inside the pipe wall of the conveying pipe. The invention is beneficial to the conveying operation of the liquid medicine, is convenient to use and brings convenience to staff.

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 the neurosurgery treatment operation is carried out, the corresponding treatment liquid medicine is required to be conveyed to the focus part of the patient aiming at part of the patient, when the treatment liquid medicine is conveyed, the corresponding neurosurgery catheter device is generally used, when the conventional neurosurgery catheter device is used, the conventional neurosurgery catheter device is directly inserted into the patient body by using a pipeline, when the tail end of the pipeline reaches the focus part, the liquid medicine is conveyed again, in the process, the tail end of the conveying pipeline lacks a corresponding part which is suitable for opening the mucous membrane of the focus part, the tail end of the pipeline can be randomly poked to the mucous membrane in the patient body, the mucous membrane is damaged, the treatment effect is influenced, and meanwhile, secondary injury can be brought to the patient, and inconvenience is brought to staff.
Disclosure of Invention
The present invention is directed to a catheter device for neurosurgery, which solves the above-mentioned drawbacks of the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a neurosurgery catheter device, includes pipeline, fixed mounting has the inflation and struts the ball on the afterbody position body of pipeline, pipeline's head is provided with aerating device, pipeline's head position end body is last to still be provided with the bolus device.
Preferably, an air vent chamber is arranged in the pipe wall of the conveying pipe along the length direction of the conveying pipe, an air inflation chamber is arranged between the air inflation and expansion ball and the conveying pipe, an air outlet hole communicated with the air inflation chamber is arranged on the cavity wall of the air inflation chamber, the air inflation device comprises a hose arranged on the pipe body at the head part of the conveying pipe, the hose is communicated with the air inflation chamber, and a threaded joint is arranged at the tail end of the hose, so that when the air inflation and expansion ball is inflated towards the inside of the air inflation chamber, the air inflation and expansion ball is used for properly expanding a mucous membrane, and meanwhile, the tail end of the conveying pipe can be protected at a middle position, so that the condition that the mucous membrane is damaged due to random stamping of the conveying pipe is avoided.
As the preferable mode of the invention, the inflating device further comprises a micro air pump arranged on one side of the hose, an air outlet pipe is arranged on an air outlet end pipe body 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 positioned on the threaded connector and is in plug-in fit with the threaded connector, so that the micro air pump can be used for working when the inflating device is used, the conveying operation of air can be carried out, and the inflating towards the inside of the inflating cavity is smoother, and the inflating device is convenient to use.
As the preferable mode of the invention, the air charging device further comprises a thread sleeve sleeved on the hard cannula, the thread sleeve is positioned on the threaded joint and is in threaded connection with the threaded joint, the top surface of the hard cannula and the top surface of the threaded joint are propped against the top wall of the thread sleeve, so that the hard cannula is conveniently limited and fixed, and the hard cannula is ensured to be fixedly arranged on the threaded joint more firmly and stably.
As the preferable mode of the invention, the knob is arranged on the thread bush, so that the rotation of the knob drives the thread bush to rotate more smoothly.
Preferably, the injection device comprises a transparent tube fixedly arranged on the tube body at the head part 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 air 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 air inflation tube, so that when the injection device is used, the inflatable cylindrical rubber ball is inflated towards the inside of the inflatable cylindrical rubber ball, and further drives the inflatable cylindrical rubber ball to move forwards along the length direction of the conveying pipeline, and the liquid medicine remained in the conveying pipeline is prevented from being extruded outwards more thoroughly.
As the preference of the invention, the first rubber plug is fixedly arranged on the pipe wall of the medicine injection pipe, so that the operation of conveying medicine liquid by using an external medicine liquid injection needle to pass through the first rubber plug is more convenient, and the medicine liquid can be prevented from flowing out from the tail end of the medicine injection pipe through the arranged first rubber plug.
As the preferable mode of the invention, the sealing plug is fixedly arranged on the tail 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.
As the preferable mode of the invention, the inside of the pipe wall of the conveying pipe is also provided with the lubrication chamber arranged along the length direction of the conveying pipe, the cavity wall of the lubrication chamber, which is close to one side of the inflatable spreading ball, is provided with the liquid outlet communicated with the outside, and the pipe body at the end part of the conveying pipe, which is far away from the inflatable spreading ball, is also provided with the liquid injection pipe communicated with the lubrication chamber, so that when the inflatable spreading ball is used, the lubrication liquid can be conveyed into the lubrication chamber, and the lubrication liquid is discharged from the liquid outlet, so that the effect of lubricating the surface of the inflatable spreading ball can be achieved, the friction between the inflatable spreading ball and mucous membrane can be reduced, and the inflatable spreading ball can be more smooth when moving.
Compared with the prior art, the invention has the beneficial effects that:
1. the inflatable spreading ball and the inflatable device ensure that the inflatable spreading ball can be inflated towards the inside of the inflatable spreading ball when in use, so that the inflated spreading ball can properly spread mucous membrane in a patient, the inflated inflatable spreading ball can protect the tail end pipe body of the conveying pipeline at the middle position, the tail end pipe body of the conveying pipeline cannot be randomly poked to the mucous membrane of the patient to cause damage, the inflatable spreading ball is convenient to use, the conventional neurosurgery catheter device is directly inserted into the patient when in use, and the medical liquid conveying operation is carried out after the tail end of the pipeline reaches the focus part.
2. According to the invention, through the pushing injection device, when the device is used, the inflatable cylindrical rubber ball can be inflated towards the inside of the inflatable cylindrical rubber ball, so that the inflatable cylindrical rubber ball is inflated 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 be remained in the conveying pipeline, the waste of the liquid medicine is reduced, and the device is convenient to use.
3. According to the invention, through the lubricating cavity, the liquid outlet hole and the liquid injection pipe, when the inflatable spreader ball is used, the lubricating liquid can be injected into the lubricating cavity, the lubricating liquid is discharged from the liquid outlet hole, so that the surface of the inflatable spreader ball is lubricated, the friction between the inflatable spreader ball and a mucous membrane is reduced, and the inflatable spreader ball is more stable and smooth when moving.
Drawings
FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a cross-sectional view of a delivery conduit and inflatable spreader ball according to example 1 of the present invention;
FIG. 3 is an enlarged view of the embodiment 1 of the present invention at A in FIG. 2;
FIG. 4 is a schematic view showing an explosive structure of an inflator according to embodiment 1 of the present invention;
FIG. 5 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 6 is a schematic diagram showing an explosive structure of a bolus device according to embodiment 2 of the present invention;
FIG. 7 is a schematic structural diagram of embodiment 3 of the present invention;
fig. 8 is a schematic view of a part of the structure in embodiment 3 of the present invention.
The meaning of each reference numeral in the figures is:
1. a delivery conduit; 10. a vent chamber; 11. an air outlet hole; 12. inflating the propped-open ball; 121. an inflation chamber;
2. an inflator; 20. a hose; 201. a threaded joint; 21. a micro air pump; 22. an air outlet pipe; 23. a rigid cannula; 24. a thread sleeve; 25. a knob;
3. a bolus device; 30. a transparent tube; 301. sealing the plug; 31. a drug injection tube; 311. a first rubber stopper; 32. inflating the cylindrical rubber ball; 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 stopper.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1
Referring to fig. 1-4, the present embodiment provides a technical solution: the utility model provides a neurosurgery pipe device, including pipeline 1, integrated into one piece has inflatable strut ball 12 on pipeline 1's afterbody position body, pipeline 1's pipe wall inside is provided with the ventilation cavity 10 that sets up along pipeline 1 length direction, be provided with between inflatable strut ball 12 and the pipeline 1 and aerify cavity 121, be provided with the venthole 11 that is linked together with inflatable cavity 121 on the chamber wall of ventilation cavity 10, pipeline 1's head is provided with aerating device 2, aerating device 2 includes integrated into one piece hose 20 on pipeline 1 head position body, hose 20 is linked together with ventilation cavity 10, integrated into one piece has screwed joint 201 on hose 20's the terminal body, guarantee when using, can utilize hose 20 to aerify in towards inflatable cavity 121 and make inflatable strut ball 12 suitably expand, utilize inflatable strut ball 12 to prop up the mucosa suitably, simultaneously, the terminal protection of inflatable strut ball 12 can be with pipeline 1's terminal protection in intermediate position, can avoid the terminal body of pipeline 1 to stab at will to cause the impaired condition of mucosa to appear.
In this embodiment, the air charging device 2 further includes a micro air pump 21 disposed at one side of the hose 20, an air outlet pipe 22 is fixedly mounted on an air outlet end pipe body of the micro air pump 21, a hard insertion pipe 23 is integrally formed at an end of the air outlet pipe 22, the hard insertion pipe 23 is located on the threaded connector 201 and is in plug-in fit with the threaded connector 201, so that when the air charging device is used, the micro air pump 21 can be used for working to perform air conveying operation, and the air charging in the air charging cavity 121 is smoother and convenient to use.
Specifically, the inflator 2 further comprises a threaded sleeve 24 sleeved on the hard insertion tube 23, the threaded sleeve 24 is slidably connected with the air outlet tube 22, the threaded sleeve 24 is located on the threaded connector 201 and is in threaded connection with the threaded connector 201, the top surface of the hard insertion tube 23 and the top surface of the threaded connector 201 are propped against the top wall of the threaded sleeve 24, after the threaded sleeve 24 is screwed onto the threaded connector 201 conveniently, limiting fixation of the hard insertion tube 23 is achieved, and the hard insertion tube 23 is fixedly installed on the threaded connector 201 more firmly and stably.
Further, the knob 25 is integrally formed on the threaded sleeve 24, so that the threaded sleeve 24 is driven to rotate smoothly by rotating the knob 25.
It should be noted that the micro air pump 21 in this embodiment is a conventional technology, and will not be described herein.
In the specific use process of the embodiment, the micro air pump 21 is connected with an external power supply and is enabled to work, the micro air pump 21 works, and begins to inflate towards the air outlet pipe 22, the hard cannula 23, the hose 20, the ventilation chamber 10 and the inflation chamber 121, after gas enters the inflation chamber 121, the inflation and expansion ball 12 can be properly expanded, the inflated and expansion ball 12 is stretched into a patient, and as the inflated and expansion ball 12 can properly expand the mucosa in the patient, the inflated and expansion ball 12 can protect the tail end of the conveying pipeline 1 at the middle position, the damage to the mucosa caused by random stamping of the tail end of the conveying pipeline 1 to the mucosa in the patient can be avoided, and the use is convenient.
Example 2
Referring to fig. 5-6, the difference between the present embodiment and embodiment 1 is that: the end pipe body at the head part of the conveying pipeline 1 is also provided with a pushing device 3, the pushing device 3 comprises a transparent pipe 30 integrally formed on the end pipe body at the head part of the conveying pipeline 1, and the front end pipe body of the transparent pipe 30 is integrally formed with a medicine injection pipe 31, so that the medicine injection pipe 31 can be used for conveying medicine liquid into the conveying pipeline 1 conveniently; the transparent tube 30 is internally provided with the inflatable cylindrical rubber ball 32, the rear end tube body of the inflatable cylindrical rubber ball 32 is fixedly arranged on the tube wall of the transparent tube 30, the front end tube body of the inflatable cylindrical rubber ball 32 is fixedly provided with the 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, the rear end tube body of the inflatable cylindrical rubber ball 32 is provided with the inflatable tube 34 penetrating through the transparent tube 30, the inflatable tube 34 is fixedly arranged on the transparent tube 30, the top tube body of the inflatable tube 34 is integrally formed with the fixing joint 35, and when the inflatable tube is used, the inflatable cylindrical rubber ball 32 is inflated towards the inside of the inflatable cylindrical rubber ball 32, so that the inflatable cylindrical rubber ball 32 is inflated 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, liquid medicine remained in the conveying pipeline 1 is extruded outwards more thoroughly, and more liquid medicine is prevented from being remained in the conveying pipeline 1, and waste of the liquid medicine is avoided.
In this embodiment, the size of the plugging rubber ball 33 is adapted to the size of the conveying pipeline 1, so that the plugging rubber ball 33 can plug the conveying pipeline 1, and a gap between the plugging rubber ball 33 and the inner wall of the conveying pipeline 1, through which the liquid medicine can flow out, is not reserved.
Specifically, the first rubber plug 311 is fixedly installed on the pipe wall of the injection pipe 31, the first rubber plug 311 is made of rubber materials, so that the operation of conveying the liquid medicine by using an external liquid medicine injection needle to penetrate through the first rubber plug 311 is more convenient, and the liquid medicine can be prevented from flowing out of the tail end of the injection pipe 31 through the arranged first rubber plug 311.
Further, the sealing plug 301 is integrally formed on the end pipe body of the transparent pipe 30 far away from the conveying pipeline 1, and the sealing plug 301 is arranged to seal the inflatable cylindrical rubber ball 32, 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 beneficial to expanding forwards to drive the sealing rubber ball 33 to move forwards.
In addition, the plugging rubber ball 33 is positioned on one side of the injection tube 31 close to the plugging plug 301, so that when the liquid medicine is injected into the injection tube 31, the liquid medicine can enter the conveying pipeline 1 from the front side of the plugging rubber ball 33 and finally be discharged from the tail end of the conveying pipeline 1, and the situation that the liquid medicine cannot be discharged from the tail end of the conveying pipeline 1 when the plugging rubber ball 33 plugs the liquid medicine is avoided.
In the specific use process of the embodiment, firstly, the liquid medicine is injected into the medicine injection tube 31 after passing through the first rubber plug 311 by using the needle on the external syringe, the liquid medicine can enter the medicine injection tube 31 and further enter the conveying pipeline 1, the liquid medicine can be finally discharged from the tail end of the conveying pipeline 1 to carry out the medicine feeding operation, and after the medicine feeding operation is finished, part of the liquid medicine possibly remains in the conveying pipeline 1, at the moment, the liquid medicine can be inflated into the fixed joint 35, the gas enters the inflatable cylindrical rubber ball 32 along the inflation tube 34, so that the inflatable cylindrical rubber ball 32 is inflated forwards along the length direction of the conveying pipeline 1, the sealing rubber ball 33 is further driven to move forwards, the liquid medicine remaining in the conveying pipeline 1 is continuously extruded forwards, the residue and waste of the liquid medicine are reduced, and the use is convenient.
Example 3
Referring to fig. 7-8, the difference between the present embodiment and embodiment 1 is that: the inside lubrication chamber 4 that sets up along pipeline 1 length direction that still is provided with of pipe wall of pipeline 1, be provided with on the chamber wall that lubrication chamber 4 is close to inflatable spreader ball 12 one side and be linked together with the external liquid outlet 40, still integrated into one piece has the notes liquid pipe 41 that is linked together with lubrication chamber 4 on the tip body that pipeline 1 kept away from inflatable spreader ball 12, guarantee when using, can be towards the interior lubrication liquid medicine that carries of lubrication chamber 4, utilize lubrication liquid medicine to discharge from liquid outlet 40, can play the effect of lubricating the surface of inflatable spreader ball 12, do benefit to the frictional force that reduces between inflatable spreader ball 12 and the mucosa, make inflatable spreader ball 12 more smooth when moving.
In this embodiment, the second rubber stopper 42 is fixedly installed on the end tube body of the liquid injection tube 41, and the end of the liquid injection tube 41 is plugged by the second rubber stopper 42, so that the lubricating liquid medicine can not be discharged outwards from the end of the liquid injection tube 41, and meanwhile, when the lubricating liquid medicine is injected, a needle on an external syringe can be used to pass through the second rubber stopper 42 and then carry out the conveying operation of the lubricating liquid medicine, so that the use is convenient.
In the specific use process of the embodiment, the needle on the syringe with the outside lubricating liquid medicine is inserted into the second rubber plug 42 and then is injected into the liquid injection tube 41, the lubricating liquid medicine is further discharged from the liquid outlet hole 40 along the lubricating chamber 4, and the liquid outlet hole 40 is positioned at the rear side of the inflatable spreader ball 12, so that the conveying pipeline 1 can be properly pulled outwards to drive the inflatable spreader ball 12 to move backwards, the inflatable spreader ball 12 can be in contact with the lubricating liquid medicine, the lubricating operation on the inflatable spreader ball 12 is realized, and the lubricated inflatable spreader ball 12 is smoother in moving and convenient to use.
The foregoing has shown and described the basic principles, principal 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 above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. Neurosurgical catheter device comprising a delivery conduit (1), characterized in that: an inflatable supporting ball (12) is fixedly arranged on the tail position pipe body of the conveying pipeline (1), an inflatable device (2) is arranged at the head of the conveying pipeline (1), and a pushing injection device (3) is also arranged on the tail end pipe body at the head position of the conveying pipeline (1);
the air-filling device is characterized in that an air-filling cavity (10) arranged along the length direction of the conveying pipeline (1) is arranged inside the pipe wall of the conveying pipeline (1), an air-filling cavity (121) is arranged between the air-filling and expanding ball (12) and the conveying pipeline (1), an air outlet hole (11) communicated with the air-filling cavity (121) is formed in the cavity wall of the air-filling cavity (10), the air-filling device (2) comprises a hose (20) arranged on the pipe body at the head position of the conveying pipeline (1), the hose (20) is communicated with the air-filling cavity (10), and a screwed joint (201) is arranged at the tail end of the hose (20);
the inflating device (2) further comprises a micro 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 micro 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 positioned on the threaded connector (201) and is in plug-in fit with the threaded connector (201);
the inflation device (2) further comprises a thread sleeve (24) sleeved on the hard insertion tube (23), the thread sleeve (24) is positioned on the threaded joint (201) and is in threaded connection with the threaded joint (201), and the top surface of the hard insertion tube (23) and the top surface of the threaded joint (201) are propped against the top wall of the thread sleeve (24);
the injection device (3) comprises a transparent pipe (30) fixedly arranged on a pipe body at the head part of the conveying pipeline (1), a medicine injection pipe (31) is fixedly arranged on a pipe body at the front end part of the transparent pipe (30), an inflatable cylindrical rubber ball (32) is arranged in the transparent pipe (30), a rear end part pipe body of the inflatable cylindrical rubber ball (32) is fixedly arranged on the pipe wall of the transparent pipe (30), a plugging rubber ball (33) is fixedly arranged on a pipe body at the front end part of the inflatable cylindrical rubber ball (32), the plugging rubber ball (33) is positioned in the transparent pipe (30) and is in sliding connection with the transparent pipe (30), an inflatable pipe (34) penetrating through the transparent pipe (30) is arranged on a pipe body at the rear end part of the inflatable cylindrical rubber ball (32), and a fixing joint (35) is fixedly arranged on a pipe body at the top end part of the inflatable pipe (34);
the inside lubrication chamber (4) that are provided with of pipe wall of pipeline (1) along pipeline (1) length direction, be provided with on the chamber wall that lubrication chamber (4) are close to inflatable bracing ball (12) one side and be linked together with the external play liquid hole (40), pipeline (1) keep away from on the tip body of inflatable bracing ball (12) still be provided with annotate liquid pipe (41) that lubrication chamber (4) are linked together.
2. The neurosurgical catheter device according to claim 1, wherein: the screw sleeve (24) is provided with a knob (25).
3. The neurosurgical catheter device according to claim 1, wherein: a first rubber plug (311) is fixedly arranged on the pipe wall of the medicine injection pipe (31).
4. The neurosurgical catheter device according to claim 1, 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).
CN202111302737.5A 2021-11-05 2021-11-05 Neurosurgery catheter device Active CN113856006B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN202111302737.5A CN113856006B (en) 2021-11-05 2021-11-05 Neurosurgery catheter device

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CN113856006B true CN113856006B (en) 2023-09-01

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US5429605A (en) * 1994-01-26 1995-07-04 Target Therapeutics, Inc. Microballoon catheter
US6093187A (en) * 1997-04-03 2000-07-25 Elekta Implants S.A. Catheter for neurosurgery
CN207980161U (en) * 2017-12-06 2018-10-19 孙熙莲 A kind of gynemetrics's delivery device
CN209270598U (en) * 2018-12-14 2019-08-20 中国人民解放军陆军特色医学中心 A kind of anti-slip inlying catheter of persistent neurological retardance

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